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lesya692 [45]
3 years ago
10

Using Models to Answer Questions About Systems

Chemistry
2 answers:
oksian1 [2.3K]3 years ago
8 0
^^ what he or she said
viva [34]3 years ago
5 0
1A: The legs can be a adjusted, as well as the sand can be swapped out. It’s a very good design for running multiple tests.
1B: He could add books or something under the front or back legs in order to increase/decrease the incline, therefore imitating the hypothesis.
1C: He can change out the sand grains to finer ones, or coarser ones, and record his results of each test.
2: If he sets the model at a steep incline and tests it with coarse sand and fine sand, seeing which one makes a narrower, deeper hole.
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nekit [7.7K]

Answer:

<h2>13.64 L</h2>

Explanation:

The new volume can be found by using the formula for Boyle's law which is

P_1V_1 = P_2V_2

From the question we have

V_2 =  \frac{P_1V_1}{P_2}  \\

From the question we have

V_2 =  \frac{25 \times 30}{55}  =  \frac{750}{55}  \\  = 13.636363...

We have the final answer as

<h3>13.64 L</h3>

Hope this helps you

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